fedora 23 fails to write utf-8 errors otherwise

oml/server.py

@@ -101,8 +101,9 @@ def run():
         logging.basicConfig(level=logging.DEBUG, format=log_format)
     else:
         logging.basicConfig(level=logging.DEBUG,
-            filename=settings.log_path, filemode='w',
+            handlers=[logging.FileHandler(settings.log_path, 'w', 'utf-8')],
             format=log_format)
+
     options = {
         'debug': False,
         'log_function': log_request,